The haller was the smallest accounting unit in Bernese monetary practice, struck in billon so debased it barely qualifies as a silver coin. Bern's right to strike such petty coinage was grounded in its status as a sovereign city within the Confederation, and the 1539–1547 production window corresponds to a period of active monetary reform across the Swiss cantons following the disruptions of the Reformation decade.
The haller was the smallest accounting unit in Bernese monetary practice, struck in billon so debased it barely qualifies as a silver coin. Bern's right to strike such petty coinage was grounded in its status as a sovereign city within the Confederation, and the 1539–1547 production window corresponds to a period of active monetary reform across the Swiss cantons following the disruptions of the Reformation decade.